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数学套题期末4第四套
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20、点通过矩阵 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/77cfeea72c7c2277b32e0dc0267f1377.png" ＼* MERGEFORMATINET 和 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/73a9947e3388336d31daf01af0b631f0.png" ＼* MERGEFORMATINET 的变换效果相当于另一变换是( )
(1.0)

A、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/f98c1b860c3cba2a68c63ba2bd6e3d5f.png" ＼* MERGEFORMATINET

B、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e498cc472af36f04e2161c2ca81d0969.png" ＼* MERGEFORMATINET

C、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/a38cffa62d9d5b90a4e2ae53a957616a.png" ＼* MERGEFORMATINET

D、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d2d39249faf5c702dcb18f93ee77acba.png" ＼* MERGEFORMATINET

答案：D

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数学套题期末4第四套
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45、若 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/ba9534d6f6b211ac0bf3b80db4a5843b.png" ＼* MERGEFORMATINET 是齐次线性方程组AX=0的解,则( )一定也是AX=0的解
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-a3d8-c0ce-60519723ce00.html
点击查看题目
0.096
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-8668-c0ce-60519723ce01.html
点击查看题目
40、下面是行最简阶梯型矩阵的是( )
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-55b8-c0ce-60519723ce01.html
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24、给出下列命题:
①零向量的长度为零,方向是任意的;
②如a,b都是单位向量,则a=b;
③向量AB与BA相等。
则所有正确命题是( )
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-7ee0-c0ce-60519723ce00.html
点击查看题目
1、读两段程序:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f0-d6e8-c0ce-60519723ce00.html
点击查看题目
33、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/844c729f4d5375eb545d734f5bd2c841.png" ＼* MERGEFORMATINET
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-0f68-c0ce-60519723ce00.html
点击查看题目
10
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-a1c0-c0ce-60519723ce01.html
点击查看题目
77、6个人分乘两辆不同的汽车,每辆车最多坐4人,则不同的乘车方法数为( )
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-4fb8-c0ce-60519723ce01.html
点击查看题目
16、下列矩阵(不存在)逆矩阵的是
(1.0)
https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-1950-c0ce-60519723ce01.html
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2
第5空:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-99f0-c0ce-60519723ce03.html
点击查看题目
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数学套题期末4第四套
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数学套题期末4第四套

20、点通过矩阵 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/77cfeea72c7c2277b32e0dc0267f1377.png" ＼* MERGEFORMATINET 和 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/73a9947e3388336d31daf01af0b631f0.png" ＼* MERGEFORMATINET 的变换效果相当于另一变换是( )
(1.0)

A、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/f98c1b860c3cba2a68c63ba2bd6e3d5f.png" ＼* MERGEFORMATINET

B、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e498cc472af36f04e2161c2ca81d0969.png" ＼* MERGEFORMATINET

C、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/a38cffa62d9d5b90a4e2ae53a957616a.png" ＼* MERGEFORMATINET

D、　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d2d39249faf5c702dcb18f93ee77acba.png" ＼* MERGEFORMATINET

答案：D

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数学套题期末4第四套
相关题目
45、若 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/ba9534d6f6b211ac0bf3b80db4a5843b.png" ＼* MERGEFORMATINET 是齐次线性方程组AX=0的解,则( )一定也是AX=0的解
(1.0)

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/692f9fd4dfd71709e724a1a848ac08b3.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/50770833d22f060e7239d5c5ad2abfcb.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/e5757f1f8d9f69ca161ce967e93f2d4a.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/784cfc65930f1ace82cd31c28b60ddbf.png" ＼* MERGEFORMATINET

https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-a3d8-c0ce-60519723ce00.html
点击查看答案
0.096
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点击查看答案
40、下面是行最简阶梯型矩阵的是( )
(1.0)

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/cbfa63facc47534b5791c0edb3985858.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/f00401a0806543e0c700b626719028d3.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/b68a546fa6a2abd42fdf096156b763f0.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d7b17fc70b316cb4a0d33d9111f5a0fe.png" ＼* MERGEFORMATINET

https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-55b8-c0ce-60519723ce01.html
点击查看答案
24、给出下列命题:
①零向量的长度为零,方向是任意的;
②如a,b都是单位向量,则a=b;
③向量AB与BA相等。
则所有正确命题是( )
(1.0)

A. 　 ①

B. 　 ③

C. 　 ①③

D. 　 ①②

https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-7ee0-c0ce-60519723ce00.html
点击查看答案
1、读两段程序:

A. 　 程序不同,结果不同

B. 　 程序不同,结果相同

C. 　 程序相同,结果不同

D. 　 程序相同,结果相同

https://www.shititong.cn/cha-kan/shiti/0005b877-74f0-d6e8-c0ce-60519723ce00.html
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33、 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/844c729f4d5375eb545d734f5bd2c841.png" ＼* MERGEFORMATINET
(1.0)

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/dc4c767a24005aba5fa0285b2a0df697.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/85d1a9e266abb9d3311cba64ea9f3ef8.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/23681fcf6d0a3bdceae5aa7dbceeb69b.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/aed89f8a77fc5803c19a70d021a5c354.png" ＼* MERGEFORMATINET

https://www.shititong.cn/cha-kan/shiti/0005b877-74f2-0f68-c0ce-60519723ce00.html
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10
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-a1c0-c0ce-60519723ce01.html
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77、6个人分乘两辆不同的汽车,每辆车最多坐4人,则不同的乘车方法数为( )
(1.0)

A. 　 40

B. 　 50

C. 　 60

D. 　 70

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16、下列矩阵(不存在)逆矩阵的是
(1.0)

A. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/d77233d739a04ec4df4903be3f8a1be8.png" ＼* MERGEFORMATINET

B. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/67e27ac6b755d5e1605e09f632e9a53f.png" ＼* MERGEFORMATINET

C. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/097a2c0609d77996faed92178f6ceb3b.png" ＼* MERGEFORMATINET

D. 　 INCLUDEPICTURE ＼d "https://p.ananas.chaoxing.com/star3/origin/f31cc1429bacc52c5f04774aa17b9712.png" ＼* MERGEFORMATINET

https://www.shititong.cn/cha-kan/shiti/0005b877-74f1-1950-c0ce-60519723ce01.html
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2
第5空:
https://www.shititong.cn/cha-kan/shiti/0005b877-74f3-99f0-c0ce-60519723ce03.html
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